Santa Clara County  »  503 N Castlerock Trl

503 North Castlerock Trl, Sunnyvale, CA 94087 - Property report

Also known as: 503 N Castlerock Trl

Property image for 503 North Castlerock Trl, Sunnyvale, CA 94087
static Mapbox map

Property type

Condominium, Townhouse (06)

Acreage

0.043

Sale price

$800,000

General Information

Address
Primary address
503 N Castlerock Trl
Sunnyvale, CA 94087
Zip code
94087
County
Santa Clara
Municipality
Sunnyvale
Parcel ID
323-11-086
Tract
4891

Owner

Find out who owns 503 North Castlerock Trl, Sunnyvale, CA 94087. Uncover corporate and individual owners with a free account.

Sales
Sale date
06/21/2013
Sale price
$800,000
Arm's length
Tax
Tax year
2025-2026
Property tax
$11,459
Building
Property type
Condominium, Townhouse
Lot
Acreage
0.043
Zoning & use
Zoning
Low Medium Density Residential (R2)

Area overview

Walk score
55 /100.  Somewhat Walkable
Transit score
34 /100.  Some Transit
Bike score
74 /100.  Very Bikeable
School district
09009
Ownership

Ownership information for 503 North Castlerock Trl, Sunnyvale, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 503 North Castlerock Trl, Sunnyvale, CA 94087

Sale date Sale price Buyer name Seller name
06/21/2013 $800,000 XXXXXX, XXXXXX; XXXXXXXXXXX, XXXXXXXX XXXXXX, XXXXX; XXXXXX, XXXXXX
06/16/2006 $614,000 XXXXXX, XXXXXX & XXXXX XXX XXXXX X XXXXX

*Most recent sales on record for this property.

More about Santa Clara County property records.

Title documents

Date Type Amount Party 1 Party 2
10/21/2015 Deed of Trust/Mortgage/Securit XXXXXXXXXXX, XXXXXXXX XXXXX XXXXX XXXX, X.X.
10/21/2015 Deed of Trust/Mortgage/Securit XXXXXXXXXXX, XXXXXXXX XXXXX XXXXX XXXX, X.X.
06/21/2013 Deed of Trust/Mortgage/Securit XXXXXX, XXXXXX XXXXX XXXXX XX
06/21/2013 Deed of Trust/Mortgage/Securit XXXXXX, XXXXXX XXXXX XXXXX XX
06/21/2013 Grant Deed XXXXXX, XXXXX XXXXXX, XXXXXX
11/29/2011 Deed of Trust/Mortgage/Securit XXXXXX, XXXXXX XXXX XXXXXXX XXXX
11/15/2010 Deed of Trust/Mortgage/Securit XXXXXX, XXXXX XXXX XXXXXXX XXXX
06/16/2006 Deed XXX XXXXX X XXXXX XXXXXX, XXXXXX & XXXXX
10/31/1988 Deed XXX, X.&X. XXX, X.&X.

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 503 North Castlerock Trl, Sunnyvale, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Property tax
$11,459
Recent tax assessments
Market value
$985,136
Land value
$492,568
Building value
$492,568

More about Santa Clara County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $985,136 1.1632 $11,459 +2.79%
2024-2025 $965,820 1.1543 $11,148 +0.49%
2023-2024 $946,884 1.1717 $11,095 +1.83%
2022-2023 $928,318 1.1736 $10,895 +0.86%
2021-2022 $910,116 1.1869 $10,802 +1.16%
2020-2021 $900,784 1.1854 $10,678 +2.33%
2019-2020 $883,122 1.1816 $10,435 +2.41%
2018-2019 $865,806 1.1769 $10,190 +0.48%
2017-2018 $848,830 1.1948 $10,141 +2.92%
2016-2017 $832,188 1.1841 $9,854 +0.57%
Permits

Permit information for 503 North Castlerock Trl, Sunnyvale, CA

No recently recorded permits for this property.

Neighborhood

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
0.2
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 503 North Castlerock Trl, Sunnyvale, CA 94087 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Chester W. Nimitz Elementary School 6 Public K-5 419 0.17
Amrita Academy NR Private 5-12 0 0.27
Louis E. Stocklmeir Elementary School 8 Public K-5 822 0.33
Resurrection Elementary School NR Private PK, K-8 221 0.51
Resurrection Elementary School NR Private PK, K-8 221 0.51
Adult And Community Education NR Public 0 0.52
French American School Of Silicon Valley NR Private PK-5 162 0.67
French American School Of Silicon Valley NR Private PK-5 162 0.67
Garden Gate Elementary School 8 Public K-5 517 1.31
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Amrita Academy NR Private 5-12 0 0.27
Resurrection Elementary School NR Private PK, K-8 221 0.51
Adult And Community Education NR Public 0 0.52
Challenger - Sunnyvale NR Private PK, K-8 554 0.75
Sam H. Lawson Middle School 9 Public 6-8 816 1.30
Marian A. Peterson Middle School 6 Public 6-8 729 1.33
South Peninsula Hebrew Day School NR Private PK-8 247 1.37
Stratford Middle School NR Private 6-8 443 1.42
Sunnyvale Middle School 6 Public 6-8 962 1.44
Cupertino Middle School 7 Public 6-8 1,099 1.51
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Amrita Academy NR Private 5-12 0 0.27
Fremont High School 7 Public 9-12 2,171 0.36
North County Regional Occupational Program School NR Public 9-12 0 0.45
Community Day School NR Public 9-12 7 0.45
Adult And Community Education NR Public 0 0.52
Homestead High School 8 Public 9-12 2,311 1.16
Silicon Valley Academy NR Private K-12 121 1.60
School of Choice NR Private 6-12 0 1.62
Futures Academy - Cupertino NR Private 7-12 55 1.91
Alta Vista High School 4 Public 9-12 69 1.91

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 503 North Castlerock Trl, Sunnyvale, CA

515 N Cashmere Trl, Sunnyvale 502 S Cashmere Trl, Sunnyvale 509 S Castlerock Trl, Sunnyvale 510 N Castlerock Trl, Sunnyvale 502 S Castlerock Trl, Sunnyvale 516 S Castlerock Trl, Sunnyvale 1323 Sunnyvale Saratoga Rd, Sunnyvale 546 W Fremont Ave, Sunnyvale 515 N Castlerock Trl, Sunnyvale 511 Cheyenne Dr, Sunnyvale 1318 Los Arboles Ave, Sunnyvale 508 S Castlerock Trl, Sunnyvale 1301 Victoria Trl, Sunnyvale 506 N Castlerock Trl, Sunnyvale 1312 Los Arboles Ave, Sunnyvale 514 N Cashmere Trl, Sunnyvale 1330 LA Bella Ave, Sunnyvale 513 S Castlerock Trl, Sunnyvale 1438 Yukon Dr, Sunnyvale 508 S Cascade Trl, Sunnyvale

Nearby ZIP codes for 503 North Castlerock Trl, Sunnyvale, CA

94022, Santa Clara County, CA 94024, Santa Clara County, CA 94041, Santa Clara County, CA 94043, Santa Clara County, CA 95002, Santa Clara County, CA 95014, Santa Clara County, CA 95070, Santa Clara County, CA 95117, Santa Clara County, CA 95128, Santa Clara County, CA 95129, Santa Clara County, CA 95130, Santa Clara County, CA

Frequently asked questions

When was 503 North Castlerock Trl, Sunnyvale, CA 94087 last sold and what was the sale price?

503 North Castlerock Trl, Sunnyvale, CA 94087 was last sold on 06/21/2013 for $800,000.

What is the assessed value of 503 North Castlerock Trl, Sunnyvale, CA 94087?

503 North Castlerock Trl, Sunnyvale, CA 94087 is currently assessed at $985,136.

What are the property taxes for 503 North Castlerock Trl, Sunnyvale, CA 94087?

The property taxes for 503 North Castlerock Trl, Sunnyvale, CA 94087 total $11,459.

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